Langkapin, J., S. Parnsakhorn, R. Kalsirisilp, G. Samseemoung, and A. Buaklee. “Study and Testing of Lotus Leaves Cutting Machine”. Journal of Applied Research on Science and Technology (JARST), vol. 19, no. 1, June 2020, pp. 113-2, doi:10.14456/rj-rmutt.2020.11.